Trillion - Probability Simulator

Trillion simulates random trials so you can see probability in action. Set up one or more events with their probabilities as a decimal, percentage or fraction, choose how many trials to run - up to one trillion - and compare how often each event happened with what you expected.

• Up to 1 trillion trials
• Several events at once
• Decimal, percentage or fraction input
• Observed vs expected results
• History of past runs
• No account needed

Also on the App Store and Google Play.